Section 8: Administration and Privileged Commands

A B C D E F G H I K L M N O P R S T U V W X Z
Section index

A

a2disconf(8)
enable or disable an apache2 configuration file
a2dismod(8)
enable or disable an apache2 module
a2dissite(8)
enable or disable an apache2 site / virtual host
a2enconf(8)
enable or disable an apache2 configuration file
a2enmod(8)
enable or disable an apache2 module
a2ensite(8)
enable or disable an apache2 site / virtual host
accessdb(8)
dumps the content of a man-db database in a human read...
add-shell(8)
add shells to the list of valid login shells
addgroup(8)
add a user or group to the system
addpart(8)
simple wrapper around the "add partition" ioctl
adduser(8)
add a user or group to the system
adduser.conf(5)
configuration file for adduser(8) and addgroup(8) .
agetty(8)
alternative Linux getty
apache2(8)
Apache Hypertext Transfer Protocol Server
apache2ctl(8)
Apache HTTP server control interface
apachectl(8)
Apache HTTP server control interface
apt(8)
command-line interface
apt-cache(8)
query the APT cache
apt-cdrom(8)
APT CD-ROM management utility
apt-config(8)
APT Configuration Query program
apt-get(8)
APT package handling utility - - command-line interface
apt-key(8)
APT key management utility
apt-mark(8)
mark/unmark a package as being automatically-installed
apt-secure(8)
Archive authentication support for APT
aptitude(8)
high-level interface to the package manager
aptitude-curses(8)
high-level interface to the package manager
arp(8)
manipulate the system ARP cache
arpd(8)
userspace arp daemon.

B

badblocks(8)
search a device for bad blocks
blkid(8)
locate/print block device attributes
blockdev(8)
call block device ioctls from the command line
bridge(8)
show / manipulate bridge addresses and devices

C

capsh(8)
'bash' wrapper to raise and lower the bset and pI capa...
catman(8)
create or update the pre-formatted manual pages
cfdisk(8)
display or manipulate disk partition table
check_forensic(8)
tool to extract mod_log_forensic output from apache lo...
checkgid(8)
checks the gid
chgpasswd(8)
update group passwords in batch mode
chpasswd(8)
update passwords in batch mode
chroot(8)
run command or interactive shell with special root dir...
clock(8)
query or set the hardware clock (RTC)
cpgr(8)
copy with locking the given file to the password or gr...
cppw(8)
copy with locking the given file to the password or gr...
crda(8)
send to the kernel a wireless regulatory domain for a ...
cron(8)
daemon to execute scheduled commands (Vixie Cron)
cryptdisks_start(8)
wrapper around cryptsetup that parses /etc/crypttab.
cryptdisks_stop(8)
wrapper around cryptsetup that parses /etc/crypttab.
cryptsetup(8)
manage plain dm-crypt and LUKS encrypted volumes
cryptsetup-reencrypt(8)
tool for offline LUKS device re-encryption
ctrlaltdel(8)
set the function of the Ctrl-Alt-Del combination
ctstat(8)
unified linux network statistics
cytune(8)
tune driver parameters for Cyclades-Z multiport serial...

D

debugfs(8)
ext2/ext3/ext4 file system debugger
delgroup(8)
remove a user or group from the system
delpart(8)
simple wrapper around the "del partition" ioctl
deluser(8)
remove a user or group from the system
deluser.conf(5)
configuration file for deluser(8) and delgroup(8) .
depmod(8)
Generate modules.dep and map files.
dhclient(8)
Dynamic Host Configuration Protocol Client
dhclient-script(8)
DHCP client network configuration script
dmsetup(8)
low level logical volume management
do-release-upgrade(8)
upgrade operating system to latest release
dpkg-divert(8)
override a package's version of a file
dpkg-preconfigure(8)
let packages ask questions prior to their installation
dpkg-reconfigure(8)
reconfigure an already installed package
dpkg-statoverride(8)
override ownership and mode of files
dumpe2fs(8)
dump ext2/ext3/ext4 filesystem information

E

e2freefrag(8)
report free space fragmentation information
e2fsck(8)
check a Linux ext2/ext3/ext4 file system
e2image(8)
Save critical ext2/ext3/ext4 filesystem metadata to a ...
e2label(8)
Change the label on an ext2/ext3/ext4 filesystem
e2undo(8)
Replay an undo log for an ext2/ext3/ext4 filesystem
e4defrag(8)
online defragmenter for ext4 filesystem
ecryptfs-manager(8)
eCryptfs key manager.
ecryptfs-migrate-home(8)
migrate a user's home to directory to an encrypte...
ecryptfsd(8)
user-space eCryptfs daemon.

F

faillog(8)
display faillog records or set login failure limits
fcgistarter(8)
Start a FastCGI program
fdformat(8)
low-level format a floppy disk
fdisk(8)
manipulate disk partition table
filefrag(8)
report on file fragmentation
findfs(8)
find a filesystem by label or UUID
findmnt(8)
find a filesystem
fsck(8)
check and repair a Linux filesystem
fsck.ext2(8)
check a Linux ext2/ext3/ext4 file system
fsck.ext3(8)
check a Linux ext2/ext3/ext4 file system
fsck.ext4(8)
check a Linux ext2/ext3/ext4 file system
fsck.ext4dev(8)
check a Linux ext2/ext3/ext4 file system
fsck.minix(8)
check consistency of Minix filesystem
fsck.nfs(8)
Dummy fsck.nfs script that always returns success.
fsfreeze(8)
suspend access to a filesystem (Linux Ext3/4, ReiserFS...
fstab-decode(8)
run a command with fstab-encoded arguments
fstrim(8)
discard unused blocks on a mounted filesystem
fstrim-all(8)
call fstrim on all mounted file systems which support it

G

getcap(8)
examine file capabilities
getkeycodes(8)
print kernel scancode-to-keycode mapping table
getty(8)
alternative Linux getty
groupadd(8)
create a new group
groupdel(8)
delete a group
groupmod(8)
modify a group definition on the system
grpck(8)
verify integrity of group files
grpconv(8)
convert to and from shadow passwords and groups
grpunconv(8)
convert to and from shadow passwords and groups
grub-bios-setup(8)
set up a device to boot using GRUB
grub-install(8)
install GRUB to a device
grub-macbless(8)
bless a mac file/directory
grub-mkconfig(8)
generate a GRUB configuration file
grub-mkdevicemap(8)
make a device map file automatically
grub-probe(8)
probe device information for GRUB
grub-reboot(8)
set the default boot entry for GRUB, for the next boot...
grub-set-default(8)
set the saved default boot entry for GRUB

H

halt(8)
reboot or stop the system
hg-ssh(8)
restricted ssh login shell for Mercurial
htcacheclean(8)
Clean up the disk cache
hwclock(8)
query or set the hardware clock (RTC)

I

i386(8)
change reported architecture in new program environmen...
iconvconfig(8)
Create fastloading iconv module configuration file
ifconfig(8)
configure a network interface
ifdown(8)
take a network interface down
ifquery(8)
parse interface configuration
ifup(8)
bring a network interface up
init(8)
Upstart process management daemon
init-checkconf(8)
manual page for init-checkconf
initctl(8)
init daemon control tool
initctl2dot(8)
manual page for initctl2dot
initramfs-tools(8)
an introduction to writing scripts for mkinitramfs
insmod(8)
Simple program to insert a module into the Linux Kernel
insserv(8)
boot sequence organizer using LSB init.d script depend...
install-sgmlcatalog(8)
maintain transitional SGML catalog
installkernel(8)
install a new kernel image
intro(8)
introduction to administration and privileged commands
invoke-rc.d(8)
executes System-V style init script actions
iotop(8)
simple top-like I/O monitor
ip(8)
show / manipulate routing, devices, policy routing and...
ip-address(8)
protocol address management
ip-addrlabel(8)
protocol address label management
ip-l2tp(8)
L2TPv3 static unmanaged tunnel configuration
ip-link(8)
network device configuration
ip-maddress(8)
multicast addresses management
ip-monitor(8)
state monitoring
ip-mroute(8)
multicast routing cache management
ip-neighbour(8)
neighbour/arp tables management.
ip-netconf(8)
network configuration monitoring
ip-netns(8)
process network namespace management
ip-ntable(8)
neighbour table configuration
ip-route(8)
routing table management
ip-rule(8)
routing policy database management
ip-tcp_metrics(8)
management for TCP Metrics
ip-token(8)
tokenized interface identifer support
ip-tunnel(8)
tunnel configuration
ip-xfrm(8)
transform configuration
ip6tables(8)
administration tool for IPv4/IPv6 packet filtering and...
ip6tables-apply(8)
a safer way to update iptables remotely
ip6tables-restore(8)
Restore IPv6 Tables
ip6tables-save(8)
dump iptables rules to stdout
iptables(8)
administration tool for IPv4/IPv6 packet filtering and...
iptables-apply(8)
a safer way to update iptables remotely
iptables-extensions(8)
list of extensions in the standard iptables distrib...
iptables-restore(8)
Restore IP Tables
iptables-save(8)
dump iptables rules to stdout
isosize(8)
output the length of an iso9660 filesystem
iw(8)
show / manipulate wireless devices and their configura...

K

kbdrate(8)
reset the keyboard repeat rate and delay time
key.dns_resolver(8)
Upcall for request-key to handle dns_resolver keys
killall5(8)
send a signal to all processes.

L

lastlog(8)
reports the most recent login of all users or of a giv...
ld-linux(8)
dynamic linker/loader
ld-linux.so(8)
dynamic linker/loader
ld.so(8)
dynamic linker/loader
ldattach(8)
attach a line discipline to a serial line
ldconfig(8)
configure dynamic linker run-time bindings
libgvc6-config-update(8)
maintain libgvc's configuration file
lnstat(8)
unified linux network statistics
loadunimap(8)
load the kernel unicode-to-font mapping table
locale-gen(8)
compile a list of locale definition files
logrotate(8)
rotates, compresses, and mails system logs
logsave(8)
save the output of a command in a logfile
losetup(8)
set up and control loop devices
lsblk(8)
list block devices
lsinitramfs(8)
list content of an initramfs image
lsmod(8)
Show the status of modules in the Linux Kernel
lsof(8)
list open files
luksformat(8)
Create and format an encrypted LUKS device

M

make-ssl-cert(8)
Debconf wrapper for openssl
MAKEDEV(8)
create devices
mandb(8)
create or update the manual page index caches
mapscrn(8)
load screen output mapping table
mii-tool(8)
view, manipulate media-independent interface status
mingetty(8)
minimal getty for consoles
mk_modmap(8)
translate a Linux keytable file into an xmodmap file
mke2fs(8)
create an ext2/ext3/ext4 filesystem
mkfs(8)
build a Linux filesystem
mkfs.bfs(8)
make an SCO bfs filesystem
mkfs.ext2(8)
create an ext2/ext3/ext4 filesystem
mkfs.ext3(8)
create an ext2/ext3/ext4 filesystem
mkfs.ext4(8)
create an ext2/ext3/ext4 filesystem
mkfs.ext4dev(8)
create an ext2/ext3/ext4 filesystem
mkfs.minix(8)
make a Minix filesystem
mkhomedir_helper(8)
Helper binary that creates home directories
mkinitramfs(8)
low-level tool for generating an initramfs image
mklost+found(8)
create a lost+found directory on a mounted Linux secon...
mkswap(8)
set up a Linux swap area
modinfo(8)
Show information about a Linux Kernel module
modprobe(8)
Add and remove modules from the Linux Kernel
mount(8)
mount a filesystem
mount.ecryptfs(8)
eCryptfs mount helper.
mount.fuse(8)
format and options for the fuse file systems
mountall(8)
Mount filesystems during boot
mtr(8)
a network diagnostic tool

N

nameif(8)
name network interfaces based on MAC addresses
netstat(8)
Print network connections, routing tables, interface s...
newusers(8)
update and create new users in batch
nfnl_osf(8)
load and unload os fingerprint database
nologin(8)
politely refuse a login
nstat(8)
network statistics tools.
ntpd(8)
"Network Time Protocol daemon"
ntpdate(8)
set the date and time via NTP
ntpdate-debian(8)
set the date and time via NTP

O

openntpd(8)
"Network Time Protocol daemon"

P

pam-auth-update(8)
manage PAM configuration using packaged profiles
pam_access(8)
PAM module for logdaemon style login access control
pam_debug(8)
PAM module to debug the PAM stack
pam_deny(8)
The locking-out PAM module
pam_echo(8)
PAM module for printing text messages
pam_ecryptfs(8)
PAM module for eCryptfs
pam_env(8)
PAM module to set/unset environment variables
pam_exec(8)
PAM module which calls an external command
pam_faildelay(8)
Change the delay on failure per-application
pam_filter(8)
PAM filter module
pam_ftp(8)
PAM module for anonymous access module
pam_getenv(8)
get environment variables from /etc/environment
pam_group(8)
PAM module for group access
pam_issue(8)
PAM module to add issue file to user prompt
pam_keyinit(8)
Kernel session keyring initialiser module
pam_lastlog(8)
PAM module to display date of last login and perform i...
pam_limits(8)
PAM module to limit resources
pam_listfile(8)
deny or allow services based on an arbitrary file
pam_localuser(8)
require users to be listed in /etc/passwd
pam_loginuid(8)
Record user's login uid to the process attribute
pam_mail(8)
Inform about available mail
pam_mkhomedir(8)
PAM module to create users home directory
pam_motd(8)
Display the motd file
pam_namespace(8)
PAM module for configuring namespace for a session
pam_nologin(8)
Prevent non-root users from login
pam_permit(8)
The promiscuous module
pam_pwhistory(8)
PAM module to remember last passwords
pam_rhosts(8)
The rhosts PAM module
pam_rootok(8)
Gain only root access
pam_securetty(8)
Limit root login to special devices
pam_selinux(8)
PAM module to set the default security context
pam_sepermit(8)
PAM module to allow/deny login depending on SELinux en...
pam_shells(8)
PAM module to check for valid login shell
pam_succeed_if(8)
test account characteristics
pam_systemd(8)
Register user sessions in the systemd login manager
pam_tally(8)
The login counter (tallying) module
pam_tally2(8)
The login counter (tallying) module
pam_time(8)
PAM module for time control access
pam_timestamp(8)
Authenticate using cached successful authentication at...
pam_timestamp_check(8)
Check to see if the default timestamp is valid
pam_tty_audit(8)
Enable or disable TTY auditing for specified users
pam_umask(8)
PAM module to set the file mode creation mask
pam_unix(8)
Module for traditional password authentication
pam_userdb(8)
PAM module to authenticate against a db database
pam_warn(8)
PAM module which logs all PAM items if called
pam_wheel(8)
Only permit root access to members of group wheel
pam_xauth(8)
PAM module to forward xauth keys between users
paperconfig(8)
configure the system default paper size
partx(8)
tell the Linux kernel about the presence and numbering...
pidof(8)
find the process ID of a running program.
ping(8)
send ICMP ECHO_REQUEST to network hosts
ping6(8)
send ICMP ECHO_REQUEST to network hosts
pivot_root(8)
change the root filesystem
plipconfig(8)
fine tune PLIP device parameters
poweroff(8)
reboot or stop the system
pwck(8)
verify integrity of password files
pwconv(8)
convert to and from shadow passwords and groups
pwunconv(8)
convert to and from shadow passwords and groups

R

rarp(8)
manipulate the system RARP table
raw(8)
bind a Linux raw character device
reboot(8)
reboot or stop the system
regdbdump(8)
parse and print out regulatory rules file
reload(8)
init daemon control tool
remove-shell(8)
remove shells from the list of valid login shells
request-key(8)
Handle key instantiation callback requests from the ke...
resize2fs(8)
ext2/ext3/ext4 file system resizer
resizecons(8)
change kernel idea of the console size
resizepart(8)
simple wrapper around the "resize partition" ioctl
restart(8)
init daemon control tool
rmmod(8)
Simple program to remove a module from the Linux Kernel
rmt(8)
remote magtape protocol module
rmt-tar(8)
remote magtape protocol module
rotatelogs(8)
Piped logging program to rotate Apache logs
route(8)
show / manipulate the IP routing table
routef(8)
flush routes
routel(8)
list routes with pretty output format
rsyslog.conf(5)
rsyslogd(8) configuration file
rsyslogd(8)
reliable and extended syslogd
rtacct(8)
network statistics tools.
rtcwake(8)
enter a system sleep state until specified wakeup time
rtmon(8)
listens to and monitors RTnetlink
rtstat(8)
unified linux network statistics
run-parts(8)
run scripts or programs in a directory
runlevel(8)
output previous and current runlevel

S

safe_finger(8)
finger client wrapper that protects against nasty stuf...
savelog(8)
save a log file
service(8)
run a System V init script
setarch(8)
change reported architecture in new program environmen...
setcap(8)
set file capabilities
setfont(8)
load EGA/VGA console screen font
setkeycodes(8)
load kernel scancode-to-keycode mapping table entries
setlogcons(8)
Send kernel messages to console N
setvesablank(8)
Turn VESA screen blanking on or off
setvtrgb(8)
set the virtual terminal RGB colors
sfdisk(8)
partition table manipulator for Linux
sftp-server(8)
SFTP server subsystem
shadowconfig(8)
toggle shadow passwords on and off
showconsolefont(8)
Show the current EGA/VGA console screen font
shutdown(8)
bring the system down
slattach(8)
attach a network interface to a serial line
sln(8)
create symbolic links
split-logfile(8)
Split combined virtual hosts access log into one file ...
ss(8)
another utility to investigate sockets
ssh-keysign(8)
ssh helper program for host-based authentication
ssh-pkcs11-helper(8)
ssh-agent helper program for PKCS#11 support
sshd(8)
OpenSSH SSH daemon
start(8)
init daemon control tool
start-stop-daemon(8)
start and stop system daemon programs
startpar(8)
start runlevel scripts in parallel
status(8)
init daemon control tool
stop(8)
init daemon control tool
sudo(8)
execute a command as another user
sudo_plugin(8)
Sudo Plugin API
sudo_root(8)
How to run administrative commands
sudoedit(8)
execute a command as another user
sudoreplay(8)
replay sudo session logs
sulogin(8)
Single-user login
swaplabel(8)
print or change the label or UUID of a swap area
swapoff(8)
enable/disable devices and files for paging and swapping
swapon(8)
enable/disable devices and files for paging and swapping
switch_root(8)
switch to another filesystem as the root of the mount ...
sync(8)
synchronize data on disk with memory
sysctl(8)
configure kernel parameters at runtime
systemd-hostnamed(8)
Hostname bus mechanism
systemd-hostnamed.service(8)
Hostname bus mechanism
systemd-localed(8)
Locale bus mechanism
systemd-localed.service(8)
Locale bus mechanism
systemd-logind(8)
Login manager
systemd-logind.service(8)
Login manager
systemd-timedated(8)
Time and date bus mechanism
systemd-timedated.service(8)
Time and date bus mechanism
systemd-udevd(8)
Device event managing daemon
systemd-udevd-control.socket(8)
Device event managing daemon
systemd-udevd-kernel.socket(8)
Device event managing daemon
systemd-udevd.service(8)
Device event managing daemon

T

tasksel(8)
a user interface for installing tasks
tc(8)
show / manipulate traffic control settings
tc-bfifo(8)
Packet limited First In, First Out queue
tc-cbq(8)
Class Based Queueing
tc-cbq-details(8)
Class Based Queueing
tc-choke(8)
choose and keep scheduler
tc-codel(8)
Controlled-Delay Active Queue Management algorithm
tc-drr(8)
deficit round robin scheduler
tc-ematch(8)
extended matches for use with "basic" or "flow" filters
tc-fq_codel(8)
Fair Queuing (FQ) with Controlled Delay (CoDel)
tc-hfsc(8)
Hierarchical Fair Service Curve's control under linux
tc-htb(8)
Hierarchy Token Bucket
tc-netem(8)
Network Emulator
tc-pfifo(8)
Packet limited First In, First Out queue
tc-pfifo_fast(8)
three-band first in, first out queue
tc-prio(8)
Priority qdisc
tc-red(8)
Random Early Detection
tc-sfb(8)
Stochastic Fair Blue
tc-sfq(8)
Stochastic Fairness Queueing
tc-stab(8)
Generic size table manipulations
tc-tbf(8)
Token Bucket Filter
tcpd(8)
access control facility for internet services
tcpdchk(8)
tcp wrapper configuration checker
tcpdmatch(8)
tcp wrapper oracle
tcptraceroute(8)
print the route packets trace to network host
tcptraceroute.db(8)
print the route packets trace to network host
telinit(8)
change system runlevel
try-from(8)
test program for the tcp_wrapper
tune2fs(8)
adjust tunable filesystem parameters on ext2/ext3/ext4...
tunelp(8)
set various parameters for the lp device
tzselect(8)
select a timezone

U

udevadm(8)
udev management tool
udevd(8)
Device event managing daemon
umount(8)
unmount file systems
umount.ecryptfs(8)
eCryptfs umount helper.
unix_chkpwd(8)
Helper binary that verifies the password of the curren...
unix_update(8)
Helper binary that updates the password of a given user
update-alternatives(8)
maintain symbolic links determining default commands
update-apt-xapian-index(8)
rebuild the Apt Xapian Index
update-ca-certificates(8)
update /etc/ssl/certs and certificates.crt
update-catalog(8)
create or update entry in SGML catalog file
update-grub(8)
stub for grub-mkconfig
update-grub-gfxpayload(8)
update /boot/grub/gfxblacklist.txt
update-grub2(8)
stub for grub-mkconfig
update-icon-caches(8)
Update wrapper script for the icon caches
update-initramfs(8)
generate an initramfs image
update-mime(8)
create or update MIME information
update-passwd(8)
safely update /etc/passwd, /etc/shadow and /etc/group
update-python-modules(8)
byte-compile python modules
update-rc.d(8)
install and remove System-V style init script links
update-xmlcatalog(8)
maintain XML catalog files
upstart-dbus-bridge(8)
Bridge between Upstart and D-Bus
upstart-event-bridge(8)
Bridge between system Upstart and session Upstart
upstart-file-bridge(8)
Bridge between Upstart and inotify
upstart-local-bridge(8)
Bridge between Upstart and a local client socket c...
upstart-socket-bridge(8)
Bridge between Upstart and sockets
upstart-udev-bridge(8)
Bridge between Upstart and udev
ureadahead(8)
Read files in advance during boot
useradd(8)
create a new user or update default new user information
userdel(8)
delete a user account and related files
usermod(8)
modify a user account

V

vcstime(8)
Show time in upper right hand corner of the console sc...
veritysetup(8)
manage dm-verity (block level verification) volumes
vigr(8)
edit the password, group, shadow-password or shadow-gr...
vipw(8)
edit the password, group, shadow-password or shadow-gr...
visudo(8)
edit the sudoers file
vmstat(8)
Report virtual memory statistics

W

wipefs(8)
wipe a filesystem signature from a device

X

xtables-multi(8)
xtables multi-link binary for netfilter's iptables and...

Z

zdump(8)
timezone dumper
zic(8)
time zone compiler

A B C D E F G H I K L M N O P R S T U V W X Z